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单词
backcross
释义
WordReference Random House Unabridged Dictionary of American English © 2024
back•cross
(bak
′
krôs′, -kros′),
USA pronunciation
[
Genetics.
]
v.t.
Genetics
to cross (a hybrid of the first generation) with either of its parents.
n.
Genetics
an instance of such crossing.
back
2
+
cross
1900–05
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更新时间:2025/7/23 13:24:49